https://community.jmp.com/t5/Discussions/Normal-Distribution/m-p/388663#M63876 <P>How I can say that my data are normally distributed using the distribution function?</P> Fri, 09 Jun 2023 00:34:01 GMT Karansingh1984 2023-06-09T00:34:01Z https://community.jmp.com/t5/Discussions/Normal-Distribution/m-p/388663#M63876 <P>How I can say that my data are normally distributed using the distribution function?</P> Fri, 09 Jun 2023 00:34:01 GMT https://community.jmp.com/t5/Discussions/Normal-Distribution/m-p/388663#M63876 Karansingh1984 2023-06-09T00:34:01Z https://community.jmp.com/t5/Discussions/Normal-Distribution/m-p/388679#M63878 <P>Welcome to the community. &nbsp;First the Normal distribution (Gaussian) is theoretical. &nbsp;No data will ever be perfectly normal. &nbsp;That being said there are number of indicators the distribution of your data is a close approximation of normal:</P> <P>1. Visual look at the histogram....Bell shaped</P> <P>2. Normal quantile plot...the dots should fall close to the straight line</P> <P>3. Quantitative statistics...continuous fit&gt;fit normal... Option&gt;goodness of fit (Shapiro-Wilk, Anderson-Darling)</P> Thu, 27 May 2021 12:29:33 GMT https://community.jmp.com/t5/Discussions/Normal-Distribution/m-p/388679#M63878 statman 2021-05-27T12:29:33Z